During the election campaign Trump attacked the integrity of the U.S. voting system, alleged voting fraud with no evidence, filed lawsuits and called for at least one state recount. Here's a roundup of recount laws in some battleground states https://reut.rs/365UlR3
1/8

Automatic recount: Yes
Recount law: A recount is triggered when the margin of victory between two candidates is less than or equal to 0.1 percentage point
Deadline: There is no set deadline for completion of a recount
Who pays: The state, county or town 2/8
Recount law: A recount is triggered when the margin of victory between two candidates is less than or equal to 0.1 percentage point
Deadline: There is no set deadline for completion of a recount
Who pays: The state, county or town 2/8
Automatic recount: No
Recount law: A candidate can request a recount if the margin of victory is less than or equal to 0.5 percentage point
Deadline: A recount must be requested within two business days after results have been certified
Who pays: State law doesn't specify 3/8
Recount law: A candidate can request a recount if the margin of victory is less than or equal to 0.5 percentage point
Deadline: A recount must be requested within two business days after results have been certified
Who pays: State law doesn't specify 3/8
Automatic recount: Yes
Recount law: A recount is required if the margin of victory is less than or equal to 2,000 votes
Deadline: Request for a recount should be made within 48 hours of the vote canvass
Who pays: The candidate requesting the recount 4/8
Recount law: A recount is required if the margin of victory is less than or equal to 2,000 votes
Deadline: Request for a recount should be made within 48 hours of the vote canvass
Who pays: The candidate requesting the recount 4/8
Automatic recount: No
Recount law: A candidate who has been defeated can request a recount, regardless of the margin of victory
Deadline: A recount must be requested within three business days after the state’s vote canvass
Who pays: The candidate asking for the recount 5/8
Recount law: A candidate who has been defeated can request a recount, regardless of the margin of victory
Deadline: A recount must be requested within three business days after the state’s vote canvass
Who pays: The candidate asking for the recount 5/8
Automatic recount: Yes
Recount law: Recount can occur if the margin of victory is less than or equal to 1 percentage point
Deadline: For offices governed by the state board of election, it is on the second business day after the vote canvass
Who pays: State doesn't specify 6/8
Recount law: Recount can occur if the margin of victory is less than or equal to 1 percentage point
Deadline: For offices governed by the state board of election, it is on the second business day after the vote canvass
Who pays: State doesn't specify 6/8
Automatic recount: Yes
Recount law: A recount is automatic if the margin of victory is less than or equal to 0.5 percentage point
Deadline: The second Thursday following #Election2020
for automatic recounts
Who pays: The candidate requesting the recount 7/8
Recount law: A recount is automatic if the margin of victory is less than or equal to 0.5 percentage point
Deadline: The second Thursday following #Election2020

Who pays: The candidate requesting the recount 7/8